* {
  margin: 0;
}

@mixin layout-center($h: 100vh, $w: 100vw, $line: true, $colum: true) {
  display: flex;
  height: $h;
  width: $w;

  @if ($line) {
    justify-content: center;
  }

  @if ($colum) {
    align-items: center;
  }
}